13507815794 has 16 divisors (see below), whose sum is σ = 22113660096. Its totient is φ = 6137149200.

The previous prime is 13507815791. The next prime is 13507815803. The reversal of 13507815794 is 49751870531.

It is a happy number.

It is a super-2 number, since 2×13507815794² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13507815791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88022 + ... + 186449.

It is an arithmetic number, because the mean of its divisors is an integer number (1382103756).

Almost surely, 2^13507815794 is an apocalyptic number.

13507815794 is a deficient number, since it is larger than the sum of its proper divisors (8605844302).

13507815794 is a wasteful number, since it uses less digits than its factorization.

13507815794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276721.

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 13507815794 in words is "thirteen billion, five hundred seven million, eight hundred fifteen thousand, seven hundred ninety-four".